Is this still alive and active? Coin address invalid. Contact the site administrator
If you get "Coin address invalid. Contact the site administrator!"
1. Your Account/Address maybe not linked to https://faucethub.io
2. Check your Address Litecoin on https://faucethub.io/dashboard/wallets
3. Put Your Address (Litecoin) in https://faucethub.io/dashboard/wallets Before each Claim a Faucet
maybe this will help a little